107 Silicone Rubber Base Polymer CAS 70131‑67‑8 | Industrial Raw Material for Silicone Compound
107 Silicone Rubber Base Polymer is linear hydroxyl‑terminated polydimethylsiloxane for industrial silicone compound production. It undergoes condensation cross‑linking reaction with silane cross‑linker under catalyst at room temperature to form elastic silicone elastomer. A full range of viscosity grades can meet diversified formula requirements. Cured silicone compound owns excellent weather resistance, low‑temperature flexibility and stable dielectric property, suitable for compounding sealan
Product Overview
107 Silicone Rubber Base Polymer CAS 70131‑67‑8 is industrial‑purpose silanol‑terminated polydimethylsiloxane. Reactive hydroxyl groups sit at both ends of molecular chain. When compounded with reinforcing fillers, cross‑linking agents and catalyst, it cures into flexible silicone rubber via room‑temperature condensation reaction. Multiple viscosity options support custom formulation for different kinds of silicone compound in broad industrial fields.
Key Features
- Reactive hydroxyl end groups for stable room‑temperature condensation curing
- Complete viscosity portfolio to match different silicone compound processes
- Outstanding compatibility with silica fillers, plasticizers and silicone auxiliaries
- Cured compound possesses good weather resistance, ozone resistance and low‑temperature elasticity
- Stable physical‑chemical property, easy for industrial batching and compounding operation
Main Applications
‑ Base polymer for general industrial silicone compound ‑ Raw material for silicone sealant, adhesive and potting compound ‑ Mold‑making silicone rubber compounding ‑ Two‑component RTV silicone elastomer production ‑ Custom‑formulated condensation‑cure silicone manufacturing
Usage Recommendation
Carry out weighing, feeding and mixing under low‑humidity environment. Compound with fillers, cross‑linkers and catalyst in accordance with technical formula. Strictly avoid moisture contamination, moisture will induce abnormal curing, bubbles and surface tackiness. Adjust filler proportion to modify hardness, viscosity and mechanical performance of finished silicone compound.
Storage & Package
Store in cool, dry and hermetically sealed warehouse. Isolate from humid air and water vapor to prevent premature cross‑linking. Standard iron drum packaging. Seal drum tightly immediately after partial material discharge. Container opening and material handling should be finished under dry conditions
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